TRIFID.K. 359 



elsewhere in the outskirts of London, from which it has now 

 disappeared. Found rarely in Surrey, Kent, Sussex, Dorset, 

 Devon, Somerset, Berks, Bucks, Oxfordshire; more frequently 

 in Herts ; rarely in Essex, Norfolk, Oambs, Hunts, Warwick- 

 shire, Herefordshire, Worcestershire, North Staffordshire, 

 Salop, Cheshire, and Lancashire ; local in Yorkshire, where 

 also the variety" ^«iicy/c>r has been obtained ; and this seems to 

 have been the case more frequently in the Isle of Man ; 

 while the type has been found rarely in Durham, Westmore- 

 land, Northumberland, and Cumberland, In North Wales it 

 is recorded in Flintshire ; in South Wales in the peninsula of 

 Gower, Glamorganshire, and very rarely in Carmarthenshire. 

 In Scotland in the southern districts of the Tweed, Forth, 

 and Solway ; also in Ayrshire, the Isle of Bute, and other 

 parts of Argyleshire, and more commonly in Perthshire, 

 extending on the hills to a height of GOO feet above sea 

 level. Always rare in Ireland, but recorded, singly or other- 

 wise, from Wicklow, Cork, Gal way, Louth, Westmeath, Sligo, 

 Tyrone, Armagh, Down, and Antrim. Abroad its range is 

 not very wide, comprising only France, Belgium, Northern 

 and Western Germany, and Austria. 



Genus 76. XANTHIA. 



Antennae simple, ciliated ; eyes naked, lashes at the back 

 upright or spreading; thorax rather small, with a minute 

 depressed crest at the back ; abdomen short, only moderately 

 thick, without crests ; fore wings of moderate breadth, usually 

 rather pointed, not scalloped ; hind wings very thin and 

 silky ; cross-bar curved and indistinct, vein 5 very faint. 



Larv^ smooth, moderately stout, but tapering to the head ; 

 rather short. 



PuPiE usually subterranean. 



We have six species, readily discriminated : 



